Answer:
Attached image.
Slope = -1/3
y-intercept = (0,5)
carmen draws this area model to help her divide 1800 by 9. she say the quotient is 20. does carmen model make sense
2 answers:
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Most graphing calculators will do weighted averages pretty easily. It is mostly a matter of data entry.
mx = -2
my = 10
(x, y) = (mx, my)/10 = (-0.2, 1)
mx = -2
my = 10
(x, y) = (mx, my)/10 = (-0.2, 1)